© New DMD (CA)n -repeats 
 (modified last January 25, 2001) 
Contents 
  Per marker:  
      1. Marker details  
      2. Primer details  
      3. Allele frequencies  
      4. PCR-conditions 
          a. PCR ingredients  
          b. PCR-cycling  
         
       
     
  Markers:  
   
DMDSTR07A has been contributed to these pages by Sander Kneppers, Dept. Human Genetics,
Leiden University Medical Center (E-mail sander@ruly46.MedFac.LeidenUniv.nl). 
1. Marker details 
  
    Localization Xp21.1 
   
  
    Heterozygosity frequency 0.68 
   
  
    Length most frequent allele 226 bp 
   
  
    Length variation alleles 218-235 bp 
   
  
    Number of alleles found 12 
   
2. Primer details 
  
      
    Name 
    Localization 
    Sequence 
   
  
    Forward primer 
    DMDSTR07A-F 
    intron 7: 22,068-22,085 
    ttctggttttctggtctg 
   
  
    Reverse primer 
    DMDSTR07A-R 
    intron 7: 22,298-22,279 
    gaatcaatctctctgtcaag 
   
3. Allele frequencies 
  
    Allele number 
    Length in bp 
    Frequency 
   
  
      
    218 
    0.04 
   
  
      
    224 
    0.08 
   
  
      
    225 
    0.06 
   
  
      
    226 
    0.44 
   
  
      
    227 
    0.02 
   
  
      
    228 
    0.08 
   
  
      
    229 
    0.06 
   
  
      
    230 
    0.08 
   
  
      
    231 
    0.06 
   
  
      
    233 
    0.02 
   
  
      
    234 
    0.02 
   
  
      
    235 
    0.04 
   
 NOTE: frequencies determined on 50 chromosomes. 
DMDSTR07B has been contributed to these pages by Sander Kneppers, Dept. Human Genetics,
Leiden University Medical Center (E-mail sander@ruly46.MedFac.LeidenUniv.nl). 
1. Marker details 
  
    Localization Xp21.1 
   
  
    Heterozygosity frequency 0.44 
   
  
    Length most frequent allele 231 bp 
   
  
    Length variation alleles 227-241 bp 
   
  
    Number of alleles found 7 
   
2. Primer details 
  
      
    Name 
    Localization 
    Sequence 
   
  
    Forward primer 
    DMDSTR07B-F 
    intron 7: 23,231-23,250 
    agctattatctgagaaagtc 
   
  
    Reverse primer 
    DMDSTR07B-R 
    intron 7: 23,462-23,443 
    tgaggtgaatttattaaggg 
   
3. Allele frequencies 
  
    Allele number 
    Length in bp 
    Frequency 
   
  
      
    227 
    0.02 
   
  
      
    229 
    0.04 
   
  
      
    231 
    0.70 
   
  
      
    233 
    0.12 
   
  
      
    235 
    0.08 
   
  
      
    237 
    0.02 
   
  
      
    239 
    - 
   
  
      
    241 
    0.02 
   
 NOTE: frequencies determined on 50 chromosomes. 
DMD-P20 DXS269) has been contributed to these pages by Sander Kneppers, Dept. Human
Genetics, Leiden University Medical Center (E-mail sander@ruly46.MedFac.LeidenUniv.nl). 
1. Marker details 
  
    Localization Xp21.1 
   
  
    Heterozygosity frequency 0.59 
   
  
    Length most frequent allele 220 bp 
   
  
    Length variation alleles 216-241 bp 
   
  
    Number of alleles found 7 
   
2. Primer details 
  
      
    Name 
    Localization 
    Sequence 
   
  
    Forward primer 
    DMD-P20F 
    intron 44: 2,948-2,967 (M86524) 
    acagaaggggaggtacagca 
   
  
    Reverse primer 
    DMD-P20R 
    intron 44: 3,185-3,164 (M86524) 
    gccacaacatatgcttgaaaga 
   
3. Allele frequencies 
  
    Allele number 
    Length in bp 
    Frequency 
   
  
      
    216 
    0.09 
   
  
      
    220 
    0.59 
   
  
      
    224 
    0.04 
   
  
      
    228 
    0.17 
   
  
      
    230 
    0.04 
   
  
      
    239 
    0.06 
   
  
      
    241 
    0.02 
   
 NOTE: frequencies determined on 54 chromosomes. 
a. PCR ingredients 
  
    Component 
    PCR-reaction 
   
  
    name concentration stock final concentration 
    amount in ”l 
   
  
    autoclaved water - - 
    15.4 
   
  
    SuperTaq buffer 10 * buffer 1 * buffer 
    2.5 
   
  
    dNTP's 2 mM 0.2 mM 
    2.5 
   
  
    primer mix 25 ”M of each primer 0.5 ”M 
    0.5 
   
  
    MgCl2  25 mM - 
    - 
   
  
    DMSO 100 % - 
    - 
   
  
    BSA 10 mg/ml - 
    - 
   
  
    Taq-polymerase 5U/”l 0.5 U 
    0.1 
   
  
    alpha-32 P-dCTP 1”Ci/”l - 
    - 
   
  
    DNA template 50 ng/”l 200 ng 
    4 
   
  
    final volume PCR 25 
   
b. PCR-cycling 
  
    PCR step 
    temperature in șC 
    time in sec. 
    number of cycli 
   
  
    denaturation template 95 
    300 
    1 
   
  
    denaturation 94 
    30 
    30 
   
  
    annealing 55 
    30 
   
  
    elongation 72 
    30 
   
  
    final elongation 72 
    300 
    1 
   
  
    store 4 
      
    1 
   
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